in keypad problem some keys or may be all keys will not work in you mobile phone to sole BlackBerry Curve 9220 Keypad IC Solution Jumper Problem Ways we can do a few steps as shown in bellow diagram.and in first steps you can change its housing or remoe cassing and check key payd keys by prissing direct without housing.
if whithout cassing keys work fine then replae housing and if it will not work then dis assamble Nokia 1200 and remove keypad stricker and check key with tusir clean all keys and mother board carefully and apply hot air so that it can be dry.
after that if it will not work then check all these parts that are given in diagrams and all tracks and paths that are shown in diagrams.you may have to apply some jumpers to make trake in good situatioin.if any part is broken damage or have not a good value.then replae components and parts to solve BlackBerry Curve 9220 Keypad IC Solution Jumper Problem Ways.
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BlackBerry Curve 9220 Keypad IC Solution Jumper Problem Ways Keypad Not Working
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